3Com FDDI SMF Kurulum Kılavuzu - Sayfa 3
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Sayfayı YazdırAudience
Safety Precautions
ESD Safety
Information
Fiber Safety
Precautions
This guide is intended for trained technical personnel only. Do not
attempt to remove or replace an FDDI module if you do not have the
proper training from 3Com. For training information, call
1-800-NET-3COM.
WARNING: Hazardous energy exists within the system. Use extreme
caution when you remove or replace an FDDI MMF or SMF module.
Always be careful to avoid electric shock or equipment damage. See
"Safety Precautions" next.
Be sure to follow all safety precautions when you replace components in
the system. To avoid electric shocks, burns, or equipment damage, read
and follow these warnings:
WARNING: When the system is on, never insert a metal object, such as a
screwdriver or a finger with jewelry, into open module slots.
WARNING: When the system is on, do not touch any connections inside
the chassis with your hands or fingers.
Electrostatic discharge (ESD) can damage components on the module.
ESD, which occurs when the module is improperly handled, can cause
complete or intermittent failures. To prevent ESD-related damage:
Always wear an ESD wrist strap connected to proper ground. Ensure
that the wrist strap makes good skin contact.
Keep the module in its antistatic shielded bag until you are ready to
install it.
Always handle the module by its edges.
Do not touch the components, pins, leads, or solder connections.
The FDDI MMF module uses light-emitting diodes (LEDs) in its fiber-optic
ports; the FDDI SMF module uses lasers. To ensure your safety when you
install or work with these modules, read and comply with the precautions
in this section.
WARNING: The LEDs and lasers used in these modules meet the
regulatory requirements for casual exposure to the eye. As with any
source of bright light, however, 3Com recommends that you do not look
into the LED or laser light source.
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